Llwytho...
Generalizing study results: a potential outcomes perspective
Great care is taken in epidemiologic studies to ensure the internal validity of causal effect estimates; however, external validity has received considerably less attention. When the study sample is not a random sample of the target population, the sample average treatment effect, even if internally...
Wedi'i Gadw mewn:
| Cyhoeddwyd yn: | Epidemiology |
|---|---|
| Prif Awduron: | , , , , , |
| Fformat: | Artigo |
| Iaith: | Inglês |
| Cyhoeddwyd: |
2017
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| Pynciau: | |
| Mynediad Ar-lein: | https://ncbi.nlm.nih.gov/pmc/articles/PMC5466356/ https://ncbi.nlm.nih.gov/pubmed/28346267 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1097/EDE.0000000000000664 |
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